Modular data communication device



FIG. 1 is a top, front perspective view of the modular data communication device of our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a left side view thereof, the right, side view being a mirror image thereof, with the exception of the circumferential extent of the outer, rim-like element on the front of the design at its midline, that element extending further along the left side than on the right side, as shown in FIGS. 1—3. 

The ornamental design for the modular data communication device, as shown and described. 